我正在尝试在我的配置单元中运行连接查询，但它总是抛出错误。我累了很多。
除了连接查询剩余插入，选择，更新所有quires工作..这里是错误
我通过cloudera包hdfs，hue，mapreduce，hive等安装了hive
hive> select * from transactions a JOIN customers b on a.cust_id = b.cust_id;
Total MapReduce jobs = 1
Launching Job 1 out of 1
Number of reduce tasks not specified. Estimated from input data size: 1
In order to change the average load for a reducer (in bytes):
set hive.exec.reducers.bytes.per.reducer=<number>
In order to limit the maximum number of reducers:
set hive.exec.reducers.max=<number>
In order to set a constant number of reducers:
set mapred.reduce.tasks=<number>
Starting Job = job_201407300522_0010, Tracking URL = http://ws.cc.com:50030/jobdetails.jsp?jobid=job_201407300522_0010
Kill Command = /opt/cloudera/parcels/CDH-4.7.0-1.cdh4.7.0.p0.40/lib/hadoop/bin/hadoop job -kill job_201407300522_0010
Hadoop job information for Stage-1: number of mappers: 0; number of reducers: 0
2014-07-31 14:49:31,921 Stage-1 map = 100%, reduce = 100%
Ended Job = job_201407300522_0010 with errors
Error during job, obtaining debugging information...
Job Tracking URL: http://ws.cc.com:50030/jobdetails.jsp?jobid=job_201407300522_0010
FAILED: Execution Error, return code 2 from org.apache.hadoop.hive.ql.exec.MapRedTask
MapReduce Jobs Launched:
Job 0: HDFS Read: 0 HDFS Write: 0 FAIL
Total MapReduce CPU Time Spent: 0 msec